Basic Information Identification Make: Polaris Model: FST Series Snowmobiles Model Variants: Classic, Switchback, Touring, IQ Cruiser, IQ LX, IQ, IQ Touring, IQ FS, IQ Turbo Dragon, IQ Turbo LX, IQ...
Engine Removal and Installation, Component Repair, System Troubleshooting
Diagnostics:
Advanced Troubleshooting
Technical Depth
Depth:
Comprehensive (from basic maintenance to advanced repairs and diagnostics)
Manual Specifications
File Format
Format:
PDF
Print Quality
Quality:
Digital (Printable on demand, potentially variable quality depending on source)
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper:
N/A (Digital Download)
Engine Specifications
Primary Engine
Engine Type:
4-Stroke, Turbocharged (FST - Fuji Turbocharged)
Engine Family:
Polaris Liberty 750 (likely variant, often referred to as 750cc class with turbo)
Performance
Horsepower Range:
Typically 120-140 HP (depending on specific tune and model, Turbo Dragon models likely higher)
Torque:
Detailed torque figures not specified in product info, but significant due to turbocharging.
Fuel System
Injection Type:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (Octane requirements would be detailed in manual)
Cooling System
Type:
Liquid-Cooled
Lubrication
Type:
Dry Sump (Typical for performance snowmobiles, manual will detail oil type and capacity)
Transmission
Standard
Type:
CVT (Continuously Variable Transmission) - Polaris P-85 Drive Clutch and ACE Driven Clutch or similar Polaris designs
Optional
Optional Gearbox:
N/A (CVT is standard)
Features
Drive System:
Chaincase with forward, neutral, and reverse gears (where applicable)
Clutch Calibration:
Manual will detail clutch setup for different models and conditions
Dimensions
Exterior
Platform:
IQ Chassis (for 2007-2008 models), potentially variations for 2006 models
Weights
Dry Weight Range:
Estimates vary by model, typically in the 450-550 lbs range for this class.
Fuel Capacity:
Typically 10-12 gallons (exact capacity model dependent, listed in manual)
Cargo
Storage:
Includes under-seat storage, rear racks/storage areas depending on model (Touring models will have more).
Safety Features
Ratings
Crash Test Equivalents:
N/A (Snowmobiles are not subject to automotive crash testing standards)
Active Features
Braking System:
Hydraulic Disc Brakes (Front and Rear, caliper type detailed in manual)
Lighting:
Halogen or LED Headlights, Taillight, Brake Light
Passive Features
Rollover Protection:
N/A (Snowmobiles have no inherent rollover protection structure)
Wind Protection:
Windshields (various heights depending on model, e.g., Classic, Touring)
Technology Features
Infotainment
Display:
Digital/Analog gauges, tachometer, speedometer, fuel gauge, engine warning lights. Some models may have advanced LCD displays.
Driver Assistance
Reverse:
Manual or electric assist reverse (depending on model).
Ignition:
Electric Start, often with a backup pull start.
Connectivity
Diagnostic Ports:
On-board diagnostics (OBD) port for electronic fault code retrieval.
Maintenance
Service Intervals
Oil Change:
Typically 100-150 hours or annually, detailed in the manual.
Spark Plug Replacement:
Refer to manual, typically every 100-150 hours or as specified.
Drive Belt Inspection:
Frequent inspection recommended, replacement based on wear and mileage.
Fluid Specifications
Engine Oil:
Specific SAE viscosity grade and API/JASO classification required (e.g., 0W-40 or 5W-40 synthetic, manual will specify exact Polaris-approved oil).
Coolant:
Proprietary Polaris coolant or equivalent antifreeze/water mixture (50/50 is common, manual specifies type and ratio).
Chaincase Oil:
Specific lubricant required, usually a specialized gear oil (manual specifies viscosity and type).
Known Issues
Turbo System:
Potential for turbocharger wear or seal issues with high mileage; intercooler clogging can affect performance.
Fuel System:
EFI components (injectors, sensors) can require cleaning or replacement; fuel pump longevity.
Suspension Bushings:
Wear on A-arm bushings and shock mounts over time.
Track And Skid:
Track wear, idler wheel bearing failures, and rear suspension component wear are common maintenance items.
Vehicle History
Brand Heritage
Polaris History:
Polaris Industries is a long-standing American manufacturer with a significant history in snowmobiles, ATVs, and powersports.
Model Evolution
Fst Lineage:
The FST models represented Polaris's push into the 4-stroke performance segment, aiming for higher power, cleaner emissions, and improved fuel economy compared to 2-strokes.
Iq Platform Introduction:
The IQ platform was a significant redesign for Polaris, introduced around 2005-2006, focusing on rider ergonomics, weight distribution, and enhanced handling.
Production
Manufacturing Location:
Primarily manufactured in the USA by Polaris Industries.
Awards & Recognition
Recognitions
Industry Awards:
Polaris snowmobiles, including those with the FST engine and IQ platform, generally received positive reviews for performance and handling during their production years.
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